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premiere-libtorrent
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made send buffer watermark configurable

This commit is contained in:
Arvid Norberg 2008-01-08 01:16:30 +00:00
parent e05f396a5d
commit 4420473b88
4 changed files with 25 additions and 2 deletions
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6
docs/manual.html
View File

@ -2459,6 +2459,7 @@ struct session_settings
bool use_dht_as_fallback;
bool free_torrent_hashes;
bool upnp_ignore_nonrouters;
int send_buffer_watermark;
};
</pre>
<p><tt class="docutils literal"><span class="pre">user_agent</span></tt> this is the client identification to the tracker.
@ -2570,6 +2571,11 @@ cannot be passed back to <a class="reference" href="#add-torrent">add_torrent()<
should ignore any broadcast response from a device whose address is not the
configured router for this machine. i.e. it's a way to not talk to other
people's routers by mistake.</p>
<p><tt class="docutils literal"><span class="pre">send_buffer_waterbark</span></tt> is the upper limit of the send buffer low-watermark.
if the send buffer has fewer bytes than this, we'll read another 16kB block
onto it. If set too small, upload rate capacity will suffer. If set too high,
memory will be wasted. The actual watermark may be lower than this in case
the upload rate is low, this is the upper limit.</p>
</div>
<div class="section">
<h1><a id="pe-settings" name="pe-settings">pe_settings</a></h1>

7
docs/manual.rst
View File

@ -2447,6 +2447,7 @@ that will be sent to the tracker. The user-agent is a good way to identify your
bool use_dht_as_fallback;
bool free_torrent_hashes;
bool upnp_ignore_nonrouters;
int send_buffer_watermark;
};
``user_agent`` this is the client identification to the tracker.
@ -2584,6 +2585,12 @@ should ignore any broadcast response from a device whose address is not the
configured router for this machine. i.e. it's a way to not talk to other
people's routers by mistake.
``send_buffer_waterbark`` is the upper limit of the send buffer low-watermark.
if the send buffer has fewer bytes than this, we'll read another 16kB block
onto it. If set too small, upload rate capacity will suffer. If set too high,
memory will be wasted. The actual watermark may be lower than this in case
the upload rate is low, this is the upper limit.
pe_settings
===========

9
include/libtorrent/session_settings.hpp
View File

@ -118,6 +118,7 @@ namespace libtorrent
#endif
, free_torrent_hashes(true)
, upnp_ignore_nonrouters(true)
, send_buffer_watermark(80 * 1024)
{}
// this is the user agent that will be sent to the tracker
@ -298,6 +299,14 @@ namespace libtorrent
// any upnp devices that don't have an address that matches
// our currently configured router.
bool upnp_ignore_nonrouters;
// if the send buffer has fewer bytes than this, we'll
// read another 16kB block onto it. If set too small,
// upload rate capacity will suffer. If set too high,
// memory will be wasted.
// The actual watermark may be lower than this in case
// the upload rate is low, this is the upper limit.
int send_buffer_watermark;
};
#ifndef TORRENT_DISABLE_DHT

5
src/peer_connection.cpp
View File

@ -2421,8 +2421,9 @@ namespace libtorrent
// otherwise there will be no end to how large it will be!
int buffer_size_watermark = int(m_statistics.upload_rate()) / 2;
if (buffer_size_watermark < 1024) buffer_size_watermark = 1024;
else if (buffer_size_watermark > 80 * 1024) buffer_size_watermark = 80 * 1024;
if (buffer_size_watermark < 512) buffer_size_watermark = 512;
else if (buffer_size_watermark > m_ses.settings().send_buffer_watermark)
buffer_size_watermark = m_ses.settings().send_buffer_watermark;
while (!m_requests.empty()
&& (send_buffer_size() + m_reading_bytes < buffer_size_watermark)